Last year about the last geological thing that I was blogging about on a regular basis was my trip back to Hays, KS from AGU in December 2008/January 2009. My last post on that trip was about the geology around Bisbee, Arizona. Today I’m going to select one of the GigaPans featured in that post for my outcrop of the day.
Hydrothermal Alteration, Lavender Pit, Bisbee, Arizona
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These are the supergene altered oxidized (orange) and primary altered quartz-sericite-pyrite (grey) rocks of the Sacramento Stock, which was host to the copper mineralization mined in the open pit opposite this face. You can’t quite zoom in far enough to make out the minerals here but there are a number of small scale structures visible if you look closely.